128260648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 265939200

約数和(自身を除く): 137678552

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 71, 74, 136, 142, 148, 284, 296, 359, 568, 629, 718, 1207, 1258, 1436, 2414, 2516, 2627, 2872, 4828, 5032, 5254, 6103, 9656, 10508, 12206, 13283, 21016, 24412, 25489, 26566, 44659, 48824, 50978, 53132, 89318, 101956, 106264, 178636, 203912, 225811, 357272, 433313, 451622, 866626, 903244, 943093, 1733252, 1806488, 1886186, 3466504, 3772372, 7544744, 16032581, 32065162, 64130324, 128260648]

約数ペア:

[(1, 128260648), (2, 64130324), (4, 32065162), (8, 16032581), (17, 7544744), (34, 3772372), (37, 3466504), (68, 1886186), (71, 1806488), (74, 1733252), (136, 943093), (142, 903244), (148, 866626), (284, 451622), (296, 433313), (359, 357272), (568, 225811), (629, 203912), (718, 178636), (1207, 106264), (1258, 101956), (1436, 89318), (2414, 53132), (2516, 50978), (2627, 48824), (2872, 44659), (4828, 26566), (5032, 25489), (5254, 24412), (6103, 21016), (9656, 13283), (10508, 12206)]